![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Correction status：Uncorrected
Teacher's comments：
Collection
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>倒计时跳转</title>
<style type="text/css">
p{width:300px;height: 50px;margin: 100px auto;}
span{display: inline-block;height:50px;width: 50px;line-height: 50px;font-size: 30px;color:#f00;text-align: center}
</style>
</head>
<body>
<p>
还剩<span>5</span>跳转至<a href="http://www.baidu.com">百度</a>
</p>
<div style="width:100px; height:100px" ></div>
<script type="text/javascript">
var i=4;
var Espan=document.getElementsByTagName('span')[0];
function fn(){
if(i>0){
Espan.innerHTML=i;
i--;
}else{
window.location.href = 'http://www.baidu.com';
}
}
setInterval('fn()',1000)
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
